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Development and validation of a standard area diagram set to aid assessment of severity of loquat scab on fruit

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Development and validation of a standard area diagram set to aid assessment of severity of loquat scab on fruit

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dc.contributor.author González Domínguez, Elisa es_ES
dc.contributor.author Martins, Ricardo Brainer es_ES
dc.contributor.author Medeiros del Ponte, Emerson es_ES
dc.contributor.author Michereff, Sami Jorge es_ES
dc.contributor.author García Jiménez, José es_ES
dc.contributor.author Armengol Fortí, Josep es_ES
dc.date.accessioned 2016-07-07T12:42:25Z
dc.date.available 2016-07-07T12:42:25Z
dc.date.issued 2014-06
dc.identifier.issn 0929-1873
dc.identifier.uri http://hdl.handle.net/10251/67312
dc.description.abstract [EN] A standard area diagram set (SAD) to aid visual assessment of loquat scab (caused by Fusicladium eriobotryae) severity on fruit was developed and evaluated for improving accuracy, precision and reliability of visual estimates. The SAD set contains eight black and white diagrams of diseased fruit with severity values from 2 % to 98 %. To evaluate the SADs, a group of 20 raters (comprising 10 'experienced' and 10 'inexperienced' raters) assessed the same set of 50 images three times, the first without SADs and the second and third using the SADs as an aid. Only for the group of inexperienced raters did SADs significantly improve accuracy (bias correction factor, C (b) = 0.93 without SADs and 0.98 with SADs), precision (correlation coefficient, r = 0.88 without SADs and r = 0.96 with SADs) and overall agreement (Lin's concordance correlation coefficient, rho (c) = 0.82 without SADs and rho c with SADs = 0.95) of the estimates. Accuracy and precision of the estimates by inexperienced raters were significantly higher than those obtained by the experienced raters, especially for the second assessment with SADs. Inter-rater reliability was improved when SADs were used by inexperienced raters, whereas a high degree of intra-rater reliability was obtained by both experienced and inexperienced raters when using SADs. The SADs developed in this study were useful for obtaining more accurate, precise and reliable assessments of loquat scab for inexperienced raters, and should be used as an aid for assessing scab in epidemiological studies or monitoring for decision-making purposes. es_ES
dc.description.sponsorship This work was funded by Cooperativa Agricola de Callosa d'En Sarria (Alicante, Spain). Financial support was provided by CAPES (Brazil) for S. J. Michereff at the Universidad Politecnica de Valencia (Spain) and is gratefully acknowledged. The authors thank colleagues and students who assessed the diseased fruits images. en_EN
dc.language Inglés es_ES
dc.publisher Springer Verlag (Germany) es_ES
dc.relation.ispartof European Journal of Plant Pathology es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Eriobotrya japonica es_ES
dc.subject Phytopathometry es_ES
dc.subject Diagrammatic scale es_ES
dc.subject.classification PRODUCCION VEGETAL es_ES
dc.title Development and validation of a standard area diagram set to aid assessment of severity of loquat scab on fruit es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1007/s10658-014-0400-2
dc.rights.accessRights Cerrado es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Ecosistemas Agroforestales - Departament d'Ecosistemes Agroforestals es_ES
dc.description.bibliographicCitation González Domínguez, E.; Martins, RB.; Medeiros Del Ponte, E.; Michereff, SJ.; García Jiménez, J.; Armengol Fortí, J. (2014). Development and validation of a standard area diagram set to aid assessment of severity of loquat scab on fruit. European Journal of Plant Pathology. 139(2):413-422. doi:10.1007/s10658-014-0400-2 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://dx.doi.org/10.1007/s10658-014-0400-2 es_ES
dc.description.upvformatpinicio 413 es_ES
dc.description.upvformatpfin 422 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 139 es_ES
dc.description.issue 2 es_ES
dc.relation.senia 266210 es_ES
dc.identifier.eissn 1573-8469
dc.contributor.funder Cooperativa Agrícola de Callosa d'en Sarrià
dc.contributor.funder Coordenaçao de Aperfeiçoamento de Pessoal de Nível Superior, Brasil
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